Doom

The AMD Ryzen 9 5900X and NVIDIA GeForce RTX 3080 combination ranks 513th out of 1,681 tested combos for Doom, placing it in the 70th percentile of all systems. This mid-to-upper tier placement suggests the pairing is well-matched for the game's demands, though it is not among the elite configurations. The CPU's average benchmark score of 39,453 puts it in the 90th percentile against all processors, while the GPU's average score of 35,787 places it in the 80th percentile against all graphics cards. This slight imbalance—CPU ranking higher than GPU—hints that the processor has more headroom than the graphics card, which becomes relevant when analyzing performance scaling across settings.

How This Combo Ranks

The 513th position out of 1,681 combos indicates a system that sits comfortably above the median but below the top-tier enthusiast builds. The data shows a clear narrative: this combo excels at high refresh rates in 1080p and 1440p, but falls behind the absolute best at 4K Ultra. The CPU's nearest rivals include the AMD EPYC 4245P with a delta of 0.2% and the Intel Core i7-13700F at 0.9% ahead, while the AMD Ryzen 7 PRO 8845HS trails by 0.7% and the Intel Core i7-13700 by 1%. These small deltas mean the 5900X is essentially performance-equivalent to its closest competitors in synthetic workloads.

On the GPU side, the RTX 3080 sits within a tight cluster: the AMD Radeon Pro Duo is 0.2% ahead, the AMD Radeon RX 7900 GRE leads by 0.9%, while the AMD Radeon 880M trails by 0.4% and the NVIDIA GeForce RTX 5070 Ti Mobile by 1%. This clustering suggests the 3080's gaming performance is well-established and predictable. The combo rank of 513 implies that while individual components are strong, other pairings—perhaps with newer GPUs or higher-end CPUs—achieve better overall Doom performance. The 12-core, 24-thread CPU with a boost clock of 4.80 GHz provides ample processing power, but the game's engine appears to be more GPU-limited at higher resolutions.

Settings Recommendations

The measured data across all three resolutions and four settings levels reveals a consistent hierarchy: Low delivers the highest frame rates, followed by Medium, then High, with Ultra being the most demanding. At 1080p, the Low preset achieves 300.5 FPS, which is 64.7% higher than Ultra's 182.4 FPS. This massive gap suggests that Ultra settings impose significant rendering costs that the RTX 3080 can still handle, but at the cost of raw frame rate. For competitive play or high-refresh-rate monitors, Low at 1080p is the clear choice, delivering over 300 FPS.

At 1440p, the differences narrow slightly: Low hits 197.7 FPS, Medium 172.2 FPS, High 144.5 FPS, and Ultra 117.1 FPS. The jump from Medium to High costs 27.7 FPS, while High to Ultra costs another 27.4 FPS. For a balanced experience on a 144Hz monitor, High at 1440p is optimal, as it nearly saturates the refresh rate while maintaining visual quality. The 4K results tell a different story: Ultra drops to 62.9 FPS, which is below the 60 FPS threshold that many consider the minimum for smooth gameplay. High at 4K delivers 81.1 FPS, making it the sweet spot for 4K gaming—it stays above 60 FPS while offering better visuals than Medium's 92 FPS.

The best experience per the measured rows depends on the target display. For 1080p, Low maximizes frame rate headroom. For 1440p, High provides the best balance of visual fidelity and performance. For 4K, High is the only viable option that maintains smooth playability, as Ultra falls short of 60 FPS.

Resolution Scaling

The performance drop from 1080p to 4K is steep and reveals the GPU as the primary bottleneck. At Ultra settings, the average FPS falls from 182.4 at 1080p to 117.1 at 1440p—a 35.8% decrease—and then to 62.9 at 4K—a further 46.3% drop from 1440p. This halving of frame rates at each resolution step in the higher settings is characteristic of a GPU-limited scenario where pixel throughput becomes the limiting factor. The RTX 3080's 10 GB of GDDR6X memory and 760.3 GB/s bandwidth are substantial, but the demands of 4K Ultra exceed what this card can sustain at high frame rates.

At Low settings, the scaling is less dramatic: 300.5 FPS at 1080p, 197.7 FPS at 1440p (34.2% drop), and 102.3 FPS at 4K (48.3% drop from 1440p). The percentage drops are similar across settings, confirming that the GPU's compute and memory resources are the constraining factor regardless of quality level. The CPU, with its 12 cores and 24 threads, is not the limiting component here—even the single-thread score of 941 in 3DMark and the Geekbench single-core score of 2,202 are more than sufficient for Doom's engine.

The data suggests that at 1080p, the combo is CPU-bound in the sense that the CPU can feed frames faster than the GPU can render them, but the GPU still drives the overall performance ceiling. At 4K, the GPU is unequivocally the bottleneck. The 320 W TDP and boost clock of 1710 MHz indicate the card is running at high utilization, and the pixel rate of 164.2 GPixel/s and texture rate of 465.1 GTexel/s are being pushed to their limits at 4K Ultra.

FAQ

Q: What is the best setting for 4K gaming with this combo?

A: High at 3840x2160 delivers 81.1 FPS, which is above the 60 FPS threshold. Ultra drops to 62.9 FPS, which is technically playable but leaves little headroom for framerate dips. Medium offers 92 FPS, but High provides a better visual experience at a still-smooth frame rate.

Q: Can this combo hit 144 FPS at 1440p?

A: Yes, if you use High settings, which achieve 144.5 FPS. Medium hits 172.2 FPS, and Low reaches 197.7 FPS. Ultra falls short at 117.1 FPS, so High is the maximum quality preset that meets the 144 FPS target.

Q: Is the CPU or GPU the bottleneck in this game?

A: The GPU is the limiting factor, especially at higher resolutions. The CPU's 12 cores and 24 threads, with a boost clock of 4.80 GHz, provide ample performance. The GPU's 10 GB VRAM and 760.3 GB/s bandwidth are the resources that determine frame rates, as evidenced by the consistent FPS drops when increasing resolution.

Q: How does the RTX 3080 compare to its closest rivals here?

A: The RTX 3080's average benchmark score of 35,787 is nearly identical to the AMD Radeon Pro Duo (35,860, 0.2% ahead), the AMD Radeon 880M (35,646, 0.4% behind), and the AMD Radeon RX 7900 GRE (36,101, 0.9% behind). The NVIDIA GeForce RTX 5070 Ti Mobile is 1% behind at 35,435.

Q: What frame rate can be expected at 1080p with Ultra settings?

A: The measured average is 182.4 FPS. This is well above the refresh rate of most monitors, meaning the combo can handle 1080p Ultra without issues. Low settings push this to 300.5 FPS, which is more than double the Ultra result.

Q: Does the combo rank well compared to all tested systems?

A: It ranks 513th out of 1,681 combos, which places it in the upper 30% of all configurations. This is a solid result, though not top-tier, as many newer or higher-end pairings outperform it.

GPU Role

The RTX 3080's 10 GB of GDDR6X memory on a 320-bit bus provides 760.3 GB/s of bandwidth, which is critical for Doom's fast-paced texture streaming. The card's base clock of 1440 MHz and boost clock of 1710 MHz, combined with 8,704 shading units, deliver a theoretical FP32 performance of 29.77 TFLOPS. These specifications translate directly into the measured frame rates: at 4K Ultra, the GPU is clearly the limiting factor, as the 62.9 FPS result is just above the 60 FPS threshold. The card's 68 RT cores and 272 tensor cores are not heavily utilized by Doom, which is a traditional rasterized game, but they contribute to the overall compute capability.

The GPU's 80th percentile ranking against all graphics cards indicates it is a strong performer, though not the absolute best available. Its nearest rivals in benchmark scores are all within 1% of its average score, showing that the 3080's performance is well-understood and consistent. The pixel rate of 164.2 GPixel/s and texture rate of 465.1 GTexel/s are key metrics for understanding why the card excels at lower resolutions but struggles at 4K Ultra. At 1080p, the pixel throughput is sufficient to render frames at over 300 FPS on Low settings, but at 4K, the sheer number of pixels (8.3 million) overwhelms the card's fill rate capabilities when combined with Ultra-quality effects.

The memory bandwidth of 760.3 GB/s is a double-edged sword: it is ample for 1440p and 4K High, but at 4K Ultra, the game's texture cache demands exceed what the 10 GB VRAM can hold efficiently, leading to the significant FPS drop from 81.1 at High to 62.9 at Ultra. The 320 W TDP and suggested 700 W PSU indicate this is a power-hungry card, but the performance it delivers in Doom justifies the energy consumption for most users.

CPU Role

The Ryzen 9 5900X's 12 cores and 24 threads, built on the Zen 3 architecture with a 7 nm process, provide exceptional multi-threaded performance. Its boost clock of 4.80 GHz and 64 MB of L3 cache ensure that the CPU is rarely a bottleneck in Doom, which is a well-optimized engine that scales well with single-thread performance but also benefits from multiple cores. The 3DMark single-thread score of 941 and Geekbench single-core score of 2,202 demonstrate strong per-core performance, while the Cinebench R23 multi-core score of 33,150 shows the CPU's ability to handle heavy workloads.

The CPU's 90th percentile ranking against all processors places it well above the GPU's 80th percentile, suggesting that the processor has more headroom than the graphics card. This is confirmed by the benchmark results: at 1080p Low, the combo achieves 300.5 FPS, which is likely near the engine's frame rate cap or the CPU's ability to feed the GPU at that resolution. The nearest CPU rivals are all within 1% of its average benchmark score, indicating that the 5900X is a mature, well-understood processor in the same performance class as the Intel Core i7-13700 and AMD Ryzen 7 PRO 8845HS.

The CPU's memory support for DDR4 with a dual-channel bus and 51.2 GB/s bandwidth is adequate for Doom, which does not require exotic memory configurations. The 8,300 million transistors on a 2x 74 mm² die size reflect a dense, efficient design. The fact that the CPU is not the limiting factor is evident from the resolution scaling: when moving from 1080p to 1440p to 4K, the frame rates drop consistently, which would not happen if the CPU were the bottleneck. The CPU's 24 threads are more than enough for Doom's multi-threaded rendering tasks, and the 64 MB of L3 cache helps reduce memory latency, ensuring smooth frame delivery even at high settings.

Measured FPS Breakdown

At 1920x1080, the combo delivers 300.5 FPS on Low, 263.5 FPS on Medium, 218.8 FPS on High, and 182.4 FPS on Ultra. The gap between Low and Ultra is 118.1 FPS, representing a 39.3% reduction in frame rate when pushing to maximum quality. Medium provides a 12.3% reduction from Low, while High adds another 17.0% reduction from Medium. These numbers indicate that at 1080p, the GPU has ample headroom, and even Ultra settings remain far above the refresh rate of most monitors.

At 2560x1440, the results are 197.7 FPS on Low, 172.2 FPS on Medium, 144.5 FPS on High, and 117.1 FPS on Ultra. The percentage drop from Low to Ultra is 40.8%, slightly larger than at 1080p, showing that the GPU is becoming more stressed. The step from High to Ultra costs 27.4 FPS, which is the largest single-setting drop, indicating that Ultra's additional effects are particularly demanding at this resolution. Medium is 12.9% slower than Low, while High is 16.1% slower than Medium.

At 3840x2160, the frame rates fall to 102.3 FPS on Low, 92 FPS on Medium, 81.1 FPS on High, and 62.9 FPS on Ultra. The drop from Low to Ultra is 38.5%, which is slightly less than at 1440p, but the absolute numbers are much lower. The transition from High to Ultra costs 18.2 FPS, bringing the frame rate below the 60 FPS threshold. Medium is 10.1% slower than Low, and High is 11.8% slower than Medium. At 4K, the data shows that the GPU is the clear bottleneck, as even Low settings cannot reach 120 FPS, and Ultra struggles to maintain 60 FPS. The consistency of the frame rate drops across resolutions confirms that the RTX 3080's compute and memory resources are the determining factor in this game.